Download App

Binomial Distribution — Maths STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 ScienceMathsBinomial Distribution1 Mark
MCQ
Mark the correct alternative in the following question:The probability of guessing correctly at least $8$ out of $10$ answers of a true false type examination is:
  • A
    $\frac{7}{64}$
  • ✓
    $\frac{7}{128}$
  • C
    $\frac{45}{1024}$
  • D
    $\frac{7}{41}$
✓

Answer

Correct option: B.
$\frac{7}{128}$
$\frac{7}{128}$

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "MCQ" from Binomial Distribution→Binomial Distribution — all question types→Maths STD 12 Science question papers→Maharashtra Board STD 12 Science question papers→Maharashtra Board question paper generator→

Similar questions

A random variable X has the following probability distribution:
X = x-3-2-10123
P$(X = x)$0.050.100.150.200.250.150.10
Then $\mathrm{P}(\mathrm{X}$ is odd $)=$
→
The principal value branch of $\sec ^{-1} x$ is
→
If $4 \sin ^2 \theta+2(\sqrt{3}+1) \cos \theta=4+\sqrt{3}$, then the general value of $\theta$ is
→
A line with positive direction cosines passes through the point $P(2,-1,2)$ and makes equal angles with the co-ordinate axes. The line meets the plane $2 x+y+z=9$ at point $Q$. The length of the line segment $P Q$ equals
→
If the position vectors of $P$ and $Q$ are $\hat{\text{i}}+3\hat{\text{j}}-7\hat{\text{k}}$ and $5\hat{\text{i}}-2\hat{\text{j}}+4\hat{\text{k}}$ then the cosine of the angle getween $\overrightarrow{\text{PQ}}$ and $y-$axis is:
→
If $\text{V}=\frac{4}{3}\pi\text{r}^3,$ at What rate in cubic units is $V$ increasing when $\text{r}=10\frac{\text{dr}}{\text{dt}}=0.01?$
→
Let $f(x)=\int \frac{x^2-3 x+2}{x^4+1} d x$, then function decreases in the interval
→
A line makes the same angle $\theta$, with each of the X and Z axes. If the angle $\beta$, which it makes with $Y$-axis is such that $\sin ^2 \beta=3 \sin ^2 \theta$, then $\cos ^2 \theta$ equals
→
The vectors $\bar{a}, \bar{b}$ and $\bar{a}+\bar{b}$ are
→
If the mean and variance of a binomial distribution are $4$ and $3$, respectively, the probability of getting exactly six successes in this distribution is:
→